51268730207 has 8 divisors (see below), whose sum is σ = 52587274080. Its totient is φ = 49965608160.

The previous prime is 51268730179. The next prime is 51268730239. The reversal of 51268730207 is 70203786215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51268730207 - 2⁸ = 51268729951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51268730257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3848723 + ... + 3862020.

It is an arithmetic number, because the mean of its divisors is an integer number (6573409260).

Almost surely, 2^51268730207 is an apocalyptic number.

51268730207 is a deficient number, since it is larger than the sum of its proper divisors (1318543873).

51268730207 is a wasteful number, since it uses less digits than its factorization.

51268730207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7710913.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 51268730207 in words is "fifty-one billion, two hundred sixty-eight million, seven hundred thirty thousand, two hundred seven".